lua5.3: fix typo calling lua53 instead of lua5.3 for Package Default

Fix typo calling lua53 instead of lua5.3 for Package Default definition.

This cause only missing description of the package and doesn't cause
any build regression.

Fixes: c52ca08d4008 ("lua5.3: build shared library")
Signed-off-by: Christian Marangi <[email protected]>

package/utils/lua5.3/Makefile

@@ -30,7 +30,7 @@ define Package/lua5.3/Default
   SUBMENU:=Lua
   SECTION:=lang
   CATEGORY:=Languages
-  TITLE:=Lua programming language
+  TITLE:=Lua programming language (version 5.3)
   URL:=https://www.lua.org/
   MAINTAINER:=Jo-Philipp Wich <[email protected]>
 endef
@@ -42,7 +42,7 @@ define Package/lua5.3/Default/description
 endef
 
 define Package/liblua5.3
-$(call Package/lua53/Default)
+$(call Package/lua5.3/Default)
   SUBMENU:=
   SECTION:=libs
   CATEGORY:=Libraries
@@ -51,7 +51,7 @@ $(call Package/lua53/Default)
 endef
 
 define Package/liblua5.3/description
-$(call Package/lua53/Default/description)
+$(call Package/lua5.3/Default/description)
  This package contains the Lua shared libraries, needed by other programs.
 endef